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A new study combines historical observations, climate modeling, and data from tree rings to create a fuller picture of ...
writers usually use the past ... close present tenseA verb tense expressing an action that is currently happening , or a state that currently exists. Writers don’t generally use the future ...
writers usually use the past ... close present tenseA verb tense expressing an action that is currently happening , or a state that currently exists. Writers don’t generally use the future ...